24 Product Course for serial prefix N9Z.

Students must bring their own safety glasses, steel toed boots, hard hat and coveralls with reflective stripe.

After completion of the course, the participant will be able to:

• Identify and explain functions of operator controls
• Engine
• Identify sensors and describe operation
• Trace fuel flow and identify /explain operation and function
• Inlet and exhaust flow
• Be able to explain how to pin TDC #1, perform valve set and injector timing
• Explain function and operation of compression brake
• Explain engine control functions ie: derates ,low voltage ,cold engine idle
• Identify and have understanding of the T4 components related to the C27 engine
• Power Train
• Identify power train components
• Trace oil flow paths
• Describe operation of lockup torque convertor
• Explain operation of ECPC transmission and when to perform calibrations
• Pressure test and perform calibrations
• Hydraulic and Steering Systems
• Explain function of electrohydraulic valve
• Understanding of PPPC hydraulic systems
• Proper set up of variable displacement pump
• Understanding of the resolver network on the 24M motor grader
• Ability to understand hydraulic schematic ISO symbols
• Pressure test and perform calibrations, ie: margin pressure, signal relief, high pressure
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• Brake and Fan Systems
• Identify and explain operation and function of brake/fan system components
• Explain how to safely service the brake /fan system
• Ability to test the brake system, properly charge accumulators
• Calibrate and adjust fan speed and margin pressure

Successful completion of a written examination with a passing grade of 80%.